Thread (105 messages) 105 messages, 10 authors, 2021-10-06
STALE1731d
Revisions (3)
  1. v1 [diff vs current]
  2. v2 current
  3. v3 [diff vs current]

[PATCH v2 49/84] megaraid: Call scsi_done() directly

From: Bart Van Assche <bvanassche@acm.org>
Date: 2021-09-29 22:07:42
Subsystem: megaraid scsi/sas drivers, scsi subsystem, the rest · Maintainers: Kashyap Desai, Sumit Saxena, Shivasharan S, Chandrakanth patil, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds

Conditional statements are faster than indirect calls. Hence call
scsi_done() directly.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/megaraid.c | 21 +++++++++------------
 1 file changed, 9 insertions(+), 12 deletions(-)
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 56910e94dbf2..c4ea833586e0 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -380,9 +380,6 @@ megaraid_queue_lck(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
 
 	adapter = (adapter_t *)scmd->device->host->hostdata;
 
-	scmd->scsi_done = done;
-
-
 	/*
 	 * Allocate and build a SCB request
 	 * busy flag will be set if mega_build_cmd() command could not
@@ -586,7 +583,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 		/* have just LUN 0 for each target on virtual channels */
 		if (cmd->device->lun) {
 			cmd->result = (DID_BAD_TARGET << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 		}
 
@@ -605,7 +602,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 
 		if(ldrv_num > max_ldrv_num ) {
 			cmd->result = (DID_BAD_TARGET << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 		}
 
@@ -617,7 +614,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 			 * devices
 			 */
 			cmd->result = (DID_BAD_TARGET << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 		}
 	}
@@ -637,7 +634,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 			 */
 			if( !adapter->has_cluster ) {
 				cmd->result = (DID_OK << 16);
-				cmd->scsi_done(cmd);
+				scsi_done(cmd);
 				return NULL;
 			}
 
@@ -655,7 +652,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 			return scb;
 #else
 			cmd->result = (DID_OK << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 #endif
 
@@ -670,7 +667,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 			kunmap_atomic(buf - sg->offset);
 
 			cmd->result = (DID_OK << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 		}
 
@@ -866,7 +863,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 			if( ! adapter->has_cluster ) {
 
 				cmd->result = (DID_BAD_TARGET << 16);
-				cmd->scsi_done(cmd);
+				scsi_done(cmd);
 				return NULL;
 			}
 
@@ -889,7 +886,7 @@ mega_build_cmd(adapter_t *adapter, struct scsi_cmnd *cmd, int *busy)
 
 		default:
 			cmd->result = (DID_BAD_TARGET << 16);
-			cmd->scsi_done(cmd);
+			scsi_done(cmd);
 			return NULL;
 		}
 	}
@@ -1654,7 +1651,7 @@ mega_rundoneq (adapter_t *adapter)
 		struct scsi_pointer* spos = (struct scsi_pointer *)pos;
 
 		cmd = list_entry(spos, struct scsi_cmnd, SCp);
-		cmd->scsi_done(cmd);
+		scsi_done(cmd);
 	}
 
 	INIT_LIST_HEAD(&adapter->completed_list);
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